PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/29-16:42:50
G02     219.2          61.5               16.0 +/-    0.93      17.9 +/-    0.93  0.050 / 0.080
G06     51.1           71.6               15.1 +/-    0.45      15.9 +/-    0.45  0.040 / 0.070
G12     319.9          39.7               13.6 +/-    1.02      19.9 +/-    1.02  0.090 / 0.110
G17     62.3           27.7               11.4 +/-    1.14      21.0 +/-    1.14  0.060 / 0.100
G19     46.0           45.1               12.7 +/-    1.20      17.1 +/-    1.20  0.050 / 0.090
G24     262.9          40.6               15.7 +/-    1.11      22.6 +/-    1.11  0.050 / 0.080
G28     125.5          10.3               11.8 +/-    2.71      32.7 +/-    2.71  0.050 / 0.040